This is a comprehensive list of tools that will help you with your SEO work.
These are the tools every Search Engine Optimizer cannot do without, the basics of the basics.
A few backlink checkers so you can see who links to you and if the links being created could be mistaken as spammy ... !
These are validators that I use regularly to ensure clean code which means websites should render well in any browser
I use Pingdom's very useful tool. This page explains how to access it and interpret the results.
Just not sure about something? Ask the experts but remember you are only getting opinions. I'm a member here and I've found this to be one of the best run SEO forums on the net.
Be specific in what you ask - vague questions like "How can I SEO my website?" won't get you magic comprehensive answers.
Check our the stickies (forum threads at the top of each section) for bundles of indepth information - but remember, these are opinions!
Have a peek at http://forums.seochat.com/
I'm Tim Hill, a Search Engine Optimisation and Online Marketing specialist. I created this site to help others understand that SEO is not a mysterious black art!.
If your a newbie try the Getting Started in SEO page, otherwise feel free to dig around and learn more.